Positive crankcase ventilation diaphragm retainer



FIG. 1 is a perspective view of a positive crankcase ventilation diaphragm retainer according to our invention;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is right side elevation thereof;

FIG. 5 is left side elevation thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of the positive crankcase ventilation diaphragm retainer according to our invention in the use environment.

The uniform short dash broken lines are for the purpose of illustrating environment and form no part of the claimed design. The alternating short dash and long dash broken line represent boundary lines and form no part of the claimed design. 

CLAIM The ornamental design for a positive crankcase ventilation diaphragm retainer, as shown and described. 